Rules For Safe Installation And Operation; Before Installing The Boiler - Dunkirk 90-50 Installation, Operation & Maintenance Manual

Read the entire installation manual before beginning the instal-
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lation. Failure to follow these rules for safe installation and
operation and these instructions could cause a malfunction
of the boiler and result in death, serious bodily injury, and/or
property damage.
Check all applicable state and local building codes and util-
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ity company requirements before installation. The installation
must conform with these requirements in their entirety. In the
absence of these codes, use NFPA Installation Codes and good
industry practice.
Before servicing the boiler - allow the boiler to cool. Always
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shut off any electricity and gas supply connected to the boiler
prior to servicing.
Inspect gas line for leaks.
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Be certain gas input rate is correct. Over firing may result in
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early failure of the boiler sections. This may cause dangerous
operation. Under firing may result in too much air for the pre-
mix burner causing poor or loss of combustion.
Never vent the products of combustion from this boiler to an
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enclosed space. Always vent to the outdoors. Never vent to
another room or to inside a building.
Be sure there is adequate outdoor air supply to boiler for com-
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plete combustion.
Complete all of the following prior to installing the boiler.
Codes
This boiler product is a gas-fired, direct vent, condensing boiler and
must be installed to conform to the requirements of the authority
having jursidiction or, in the absence of such requirements:
United States - National Fuel Gas Code (NFPA-54/ANSI Z223.1).
Canada - National Gas and Propane Installation Code, Can/CSA
B149.1.
Where required by the authority having jurisdiction, the installation
must conform to the American Society of Mechanical Engineers
Safety Code for Controls and Safety Devices for Automatically Fired
Boilers, No.CSD-1.
Important - In the state of Massachusetts
this product must be installed by a licensed
plumber or gas fitter and the installation must
be in accordance with 248 cMR.
Installers - Follow local regulations with respect to installation of
CO (Carbon Monoxide) Detectors. Follow maintenance recommen-
dations in this manual.

rules for safe insTallaTion and operaTion

before insTalling THe boiler

NOTICE
Follow a regular service and maintenance schedule for efficient
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and safe operation.
Keep boiler area clean of debris and free of combustible and
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flammable materials.
Proper through the wall or through the roof combustion vent-
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ing shall be in accordance with the materials and methods
described in this manual. Installation must comply with local
codes.
This boiler and related hot water heating systems are not do it
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yourself items. They must be installed and serviced by qualified
professionals.
This boiler has been equipped for residential
installations. If used for commercial
applications, any additional code requirements
must be adhered to for installation. This may
require additional controls including but not
!
limited to a low water cut off, a manual reset
high temperature limit, and wiring and/or
piping modifications. The manufacturer is not
responsible for any field installation changes
made to a boiler installation which are not
described or acknowledged in this manual.
Installation Requirements Specific To The State Of
Massachusetts For Direct Vent, Mechanical Vent, And
Domestic Hot Water Appliances
For all side wall horizontally vented gas fueled equipment installed
in every dwelling, building or structure used in whole or in part
for residential purposes, including those owned or operated by the
commonwealth and where the side wall exhaust vent termination is
less than seven (7) feet above finished grade in the area of the vent-
ing, including but not limited to decks and porches, the following
requirements shall be satisfied:
Installation of carbon monoxide detectors: at the time of instal-
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lation of the side wall horizontal vented gas fueled equipment,
the installing plumber or gasfitter shall observe that a hard
wired carbon monoxide detector with an alarm and battery
back-up is installed on the floor level where the gas equipment
is to be installed. In addition, the installing plumber or gasfitter
shall observe that a battery operated or hard wired carbon mon-
oxide detector with an alarm is installed on each additional level
of the dwelling, building or structure served by the side wall
horizontal vented gas fueled equipment. It shall be the respon-
sibility of the property owner to secure the services of qualified
licensed professionals for the installation of hard wired carbon
monoxide detectors.
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WARNING